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I feel like something may have been deleted when I ran MacCleanse. In the menu is a task manager for Promethean (whiteboard) software which I thought was deleted, an icon for the scanner, one for SMART response, then the usual Time Maching, Displays etc.

I try not to use any of the so called Mac cleanup programs. I hear more bad things about them than good. I also am very careful about what I load into my computer especially since this is a new gig to me. I find the less I mess with it the better off I am. I actually learned that lesson on the Windows side of the equation. I've reformatted and reloaded operating systems more than I care to remember. One of the things that attracted me to the Mac was the stability of the operating system.

But it can be just as unstable as a windows machine if programs are loaded willie nillie with no regards for the consequences. Don't get me wrong I'm not talking about you I'm talking about me. I am very careful what I load and try to do proper due diligence before I do. As well I am using a Sandbox now which lets me make system changes and software additions so that I can see if there are any unintended consequences.

I don't know about the MacCleanse program or how good (or bad) it does it's job. Do you have a stable backup that you can restore from?

Did you run the MacCleanse program before or after your last backup?
Is it a full system backup or just a data backup?

If it is a full system backup and it was done before the MacCleanse operation you may be able to do a system restore to get back full functionality of your browsers. It will overwrite any new changes to your system since the last full backup.

If it's possible to go this route and you have data that you have created since your last backup then you will need to save that manually on a thumb drive or disc so that you do not lose it.

Before reinstalling the system or restoring a backup, I would first try downloading and applying the 10.6.8 Update Combo to see if this resolves the problem. As for MacCleanse, I doubt it could have caused this. Do you have any "security" software installed, like MacKeeper or any Symantec (Norton) software? I'm also rethinking the possibility that you have a trojan like MacDefender, but I don't know enough about it to say if this would be a symptom. I'm at work now so can't be of much help for a bit, but wanted to throw this out for now.

Open DU select yourHD in the left column and make sure the First Aid tab is clicked. Then hit the repair permissions. Sit back have a coffee then once its done (disregard all the errors) log out then back in. See what happens . . . Cant hurt either

Cheers

Dont forget to use the Reputation System if someone has helped you out !!!Arguing with a zealot is only slightly easier than tunneling through a mountain with your forehead!!!!!MoTM☆☆☆

Go here with one of the browsers that is causing an issue and report back with the results. Report back the following: the user agent string (the value in the textbox) and the version of the browser that it recognizes. Please also provide the exact version number of the browser that you are using. I just want to see if your browser is identifying itself properly.

Yikes--I ran the update and I'm running DU now--looks like a lot of repairs. I also put my browser in the link above, and got this message:

MozillaProductSlice. Claims to be a Mozilla based user agent, which is only true for Gecko browsers like Firefox and Netscape. For all other user agents it means 'Mozilla-compatible'. In modern browsers, this is only used for historical reasons. It has no real meaning anymore

EDIT: a brief Google search actually shows that VirusBarrier is known to cause this. So definitely be rid of that. Still recommending removing MacKeeper. That software is held in very very very low regard here.

There's your problem - that's not a valid user agent string (this identifies your browser). Some websites check to see what browser you're running and since that is a non-sensical one, it isn't recognized and the page therefore thinks you're running an unsupported browser.